how to edit update in gridview in c#.net

Anonymous User · 2015-11-18T22:46:19.190Z

I want to edit update data in gridview how to do this please help me.

   <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" BackColor="White" BorderColor="#CC9966" BorderStyle="Solid" BorderWidth="1px" CellPadding="4" OnRowCommand="GridView1_RowCommand1" >
        <Columns>
            <asp:TemplateField HeaderText="Emp_ID"  >
                <ItemTemplate>
                    <%#Eval("Emp_ID") %> <asp:HiddenField ID="EmpID" runat="server" Value='<%#Eval("Emp_ID") %>' />
                </ItemTemplate>
                <ControlStyle Width="100px"></ControlStyle>
                <HeaderStyle Width="100px" />
                <ItemStyle HorizontalAlign="Center" />
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Emp_Name"  >
                <ItemTemplate>
                    <%#Eval("Emp_Name") %>
                </ItemTemplate>
                <EditItemTemplate>
                    <asp:TextBox ID="txtname" runat="server" Text='<%# Bind("Emp_Name") %>'></asp:TextBox>
                </EditItemTemplate>
                <ControlStyle Width="300px"></ControlStyle>
                <HeaderStyle Width="200px" />
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Emp_Sal" >
                <ItemTemplate>
                    <%#Eval("Emp_Sal") %>
                </ItemTemplate>
                 <EditItemTemplate>
                    <asp:TextBox ID="txtsal" runat="server" Text='<%# Bind("Emp_Sal") %>'></asp:TextBox>
                </EditItemTemplate>
                <ControlStyle Width="200px"></ControlStyle>
                <HeaderStyle Width="200px" />
            </asp:TemplateField>
                <asp:TemplateField HeaderText="Emp_Sal" >
                <ItemTemplate>
                    <asp:Button ID="btnedit" runat="server" Text="Edit" CommandName="Change"  CommandArgument="<%# ((GridViewRow) Container).RowIndex %>" />
                </ItemTemplate>
                 <EditItemTemplate>
                     <asp:Button ID="btnupdate" runat="server" Text="Update" CommandName="Save"  CommandArgument="<%# ((GridViewRow) Container).RowIndex %>" />
                </EditItemTemplate>
                <ControlStyle Width="200px"></ControlStyle>
                <HeaderStyle Width="200px" />
            </asp:TemplateField>
        </Columns>
        <FooterStyle BackColor="#FFFFCC" ForeColor="#330099" />
        <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="#FFFFCC" />
        <PagerStyle BackColor="#FFFFCC" ForeColor="#330099" HorizontalAlign="Center" />
        <RowStyle BackColor="White" ForeColor="#330099" />
        <SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="#663399" />
        <SortedAscendingCellStyle BackColor="#FEFCEB" />
        <SortedAscendingHeaderStyle BackColor="#AF0101" />
        <SortedDescendingCellStyle BackColor="#F6F0C0" />
        <SortedDescendingHeaderStyle BackColor="#7E0000" />
    </asp:GridView>

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace Forumasp
{
    public partial class GridviewSorting : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                GridView1.DataSource = GetRecord(); //set DataSource GridView
                GridView1.DataBind(); //binding GridView
            }
        }

        public DataTable GetRecord()
        {
            DataTable dt = new DataTable();
            string constr = ConfigurationManager.ConnectionStrings["forumConnectionString"].ToString(); // connection string
            SqlConnection con = new SqlConnection(constr);
            con.Open();
            SqlCommand com = new SqlCommand("select *from Employee", con); // table name 
            SqlDataAdapter da = new SqlDataAdapter(com);
            DataSet ds = new DataSet();
            da.Fill(ds);
            dt = ds.Tables[0];
            return dt;
        }

        protected void GridView1_RowCommand1(object sender, GridViewCommandEventArgs e)
        {
            int index = Convert.ToInt32(e.CommandArgument.ToString());
            if (e.CommandName == "Change")
            {
                GridView1.EditIndex = index;
                GridView1.DataSource = GetRecord(); //set DataSource GridView
                GridView1.DataBind(); //binding GridView
            }
            else if (e.CommandName == "Save")
            {
                HiddenField EmpID = GridView1.Rows[index].FindControl("EmpID") as HiddenField;
                TextBox txtname = GridView1.Rows[index].FindControl("txtname") as TextBox;
                TextBox txtsal = GridView1.Rows[index].FindControl("txtsal") as TextBox;
                string constr = ConfigurationManager.ConnectionStrings["forumConnectionString"].ToString(); // connection string
                SqlConnection con = new SqlConnection(constr);
                con.Open();
                string sqlstr = "update Employee set Emp_Name='" + txtname.Text + "', Emp_Sal='" + txtsal.Text + "' where Emp_ID=" + EmpID.Value + "";
                SqlCommand cmd = new SqlCommand(sqlstr, con); // table name 
                cmd.ExecuteNonQuery();
                con.Close();
                GridView1.EditIndex = -1;
                GridView1.DataSource = GetRecord(); //set DataSource GridView
                GridView1.DataBind(); //binding GridView
            }
        }

    }
}

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how to edit update in gridview in c#.net

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